Unit 3 单元测试题一、.单项选择(每小题1分,共10分)( )1. Peter usually goes to school by _ bus.A. a B. an C. the D. 不填( )2. My English teacher is very good. She is like my mother _ me.A. to B. for C. with D. of( )3. _ does your father go to work? He rides his bike.A. Where B. When C. How D. Why ( )4. The train _ the train station at 8:40 every morning. A. crosses